Overview
Availability
- Dr Andrew Hewitt is:
- Available for supervision
Fields of research
Qualifications
- Bachelor (Honours) of Science (Advanced), University of Sheffield
- Masters (Coursework) of Science, Cranfield Institute of Technology (Cranfield University)
- Doctor of Philosophy, University College London
Works
Search Professor Andrew Hewitt’s works on UQ eSpace
2024
Journal Article
UAV-UGV cooperative targeted spraying system for honey pomelo orchard
Chen, Yuli, Liu, Zibo, Lin, Zhen, Xu, Zifeng, Guan, Xianlu, Zhou, Zhiyan, Zheng, Dateng and Hewitt, Andrew (2024). UAV-UGV cooperative targeted spraying system for honey pomelo orchard. International Journal of Agricultural and Biological Engineering, 17 (6), 22-31. doi: 10.25165/j.ijabe.20241706.8989
2024
Journal Article
Adjuvant use for the management of pesticide drift, leaching and runoff
Hewitt, Andrew J. (2024). Adjuvant use for the management of pesticide drift, leaching and runoff. Pest Management Science, 80 (10), 4819-4827. doi: 10.1002/ps.8255
2024
Journal Article
Improving <scp>UASS</scp> pesticide application: optimizing and validating drift and deposition simulations
Tang, Qing, Zhang, Ruirui, Chen, Liping, Zhang, Pan, Li, Longlong, Xu, Gang, Yi, Tongchuan and Hewitt, Andrew (2024). Improving UASS pesticide application: optimizing and validating drift and deposition simulations. Pest Management Science, 81 (1), 127-140. doi: 10.1002/ps.8412
2024
Journal Article
Distribution uniformity improvement methods of a large discharge rate disc spreader for UAV fertilizer application
Xunwei, Wang, Zhiyan, Zhou, Boqian, Chen, Jinfeng, Zhong, Xiaolong, Fan and Hewitt, Andrew (2024). Distribution uniformity improvement methods of a large discharge rate disc spreader for UAV fertilizer application. Computers and Electronics in Agriculture, 220 108928, 108928. doi: 10.1016/j.compag.2024.108928
2024
Journal Article
Toward a remote sensing method based on commercial LiDAR sensors for the measurement of spray drift and potential drift reduction
Li, Longlong, Zhang, Ruirui, Chen, Liping, Hewitt, Andrew J., He, Xiongkui, Ding, Chenchen, Tang, Qing and Liu, Boqin (2024). Toward a remote sensing method based on commercial LiDAR sensors for the measurement of spray drift and potential drift reduction. Science of The Total Environment, 918 170819, 1-14. doi: 10.1016/j.scitotenv.2024.170819
2023
Journal Article
Application technology for bioherbicides: challenges and opportunities with dry inoculum and liquid spray formulations
Hewitt, Andrew J, Galea, Victor J and O'Donnell, Christopher (2023). Application technology for bioherbicides: challenges and opportunities with dry inoculum and liquid spray formulations. Pest Management Science, 80 (1), 72-80. doi: 10.1002/ps.7823
2023
Journal Article
Challenges and opportunities of unmanned aerial vehicles as a new tool for crop pest control
Zhang, Ruirui, Hewitt, Andrew J., Chen, Liping, Li, Longlong and Tang, Qing (2023). Challenges and opportunities of unmanned aerial vehicles as a new tool for crop pest control. Pest Management Science, 79 (11), 4123-4131. doi: 10.1002/ps.7683
2023
Journal Article
Editorial: Advanced technologies of UAV application in crop pest, disease and weed control
Zhang, Ruirui, Hewitt, Andrew, Li, Longlong, Yuan, Huizhu, Ferguson, J. Connor and Chen, Liping (2023). Editorial: Advanced technologies of UAV application in crop pest, disease and weed control. Frontiers in Plant Science, 14 1253841, 1253841. doi: 10.3389/fpls.2023.1253841
2022
Journal Article
Analysis of the spatial and temporal distribution of a spray cloud using commercial LiDAR
Liu, Boqin, Li, Longlong, Zhang, Ruirui, Tang, Qing, Ding, Chenchen, Xu, Gang, Hewitt, Andrew John and Chen, Liping (2022). Analysis of the spatial and temporal distribution of a spray cloud using commercial LiDAR. Biosystems Engineering, 223, 78-96. doi: 10.1016/j.biosystemseng.2022.08.017
2021
Journal Article
Effects of application height and crosswind on the crop spraying performance of unmanned helicopters
Tang, Qing, Chen, Liping, Zhang, Ruirui, Deng, Wei, Xu, Min, Xu, Gang, Li, Longlong and Hewitt, Andrew (2021). Effects of application height and crosswind on the crop spraying performance of unmanned helicopters. Computers and Electronics in Agriculture, 181 105961, 1-18. doi: 10.1016/j.compag.2020.105961
2021
Journal Article
Development of sensor system for real-time measurement of droplet deposition of agricultural sprayers
Li, Longlong, Zhang, Ruirui, Chen, Liping, Yi, Tongchuan, Xu, Gang, Xue, Daxuan, Tang, Qing, Zhang, Linhuan, Hewitt, Andrew John and An, Yining (2021). Development of sensor system for real-time measurement of droplet deposition of agricultural sprayers. International Journal of Agricultural and Biological Engineering, 14 (5), 19-26. doi: 10.25165/j.ijabe.20211405.5528
2020
Journal Article
Numerical simulation of the downwash flow field and droplet movement from an unmanned helicopter for crop spraying
Tang, Qing, Zhang, Ruirui, Chen, Liping, Deng, Wei, Xu, Min, Xu, Gang, Li, Longlong and Hewitt, Andrew (2020). Numerical simulation of the downwash flow field and droplet movement from an unmanned helicopter for crop spraying. Computers and Electronics in Agriculture, 174 105468, 1-14. doi: 10.1016/j.compag.2020.105468
2020
Journal Article
Adjuvant's influence to droplet size based on forestry pests' prevention with ground and air chemical application
Zhang, Huichun, Zhou, Hongping, Zheng, Jiaqiang, Liao, Juan and Hewitt, Andrew J. (2020). Adjuvant's influence to droplet size based on forestry pests' prevention with ground and air chemical application. Linye Kexue/Scientia Silvae Sinicae, 56 (5), 118-129. doi: 10.11707/j.1001-7488.20200514
2020
Journal Article
Analysis of the influence of different parameters on droplet characteristics and droplet size classification categories for air induction nozzle
Liao, Juan, Luo, Xiwen, Wang, Pei, Zhou, Zhiyan, O’Donnell, Chris C., Zang, Ying and Hewitt, Andrew J. (2020). Analysis of the influence of different parameters on droplet characteristics and droplet size classification categories for air induction nozzle. Agronomy, 10 (2) 256, 256. doi: 10.3390/agronomy10020256
2020
Journal Article
The relations of leaf area index with the spray quality and efficacy of cotton defoliant spraying using unmanned aerial systems (UASs)
Liao, Juan, Zang, Ying, Luo, Xiwen, Zhou, Zhiyan, Zang, Yu, Wang, Pei and Hewitt, Andrew John (2020). The relations of leaf area index with the spray quality and efficacy of cotton defoliant spraying using unmanned aerial systems (UASs). Computers and Electronics in Agriculture, 169 105228, 105228. doi: 10.1016/j.compag.2020.105228
2020
Journal Article
Meteorological and flight altitude effects on deposition, penetration, and drift in pineapple aerial spraying
Wang, Juan, Lan, Yubin, Wen, Sheng, Hewitt, Andrew John, Yao, Weixiang and Chen, Pengchao (2020). Meteorological and flight altitude effects on deposition, penetration, and drift in pineapple aerial spraying. Asia-Pacific Journal of Chemical Engineering, 15 (1) e2382. doi: 10.1002/apj.2382
2020
Journal Article
Comparison of water-sensitive paper, Kromekote and Mylar collectors for droplet deposition with a visible fluorescent dye solution
Ferguson, J. Connor, Hewitt, Andrew J., O’Donnell, Chris C. and Kruger, Greg R. (2020). Comparison of water-sensitive paper, Kromekote and Mylar collectors for droplet deposition with a visible fluorescent dye solution. Journal of Plant Protection Research, 60 (1), 98-105. doi: 10.24425/jppr.2020.132210
2019
Journal Article
Development of droplet characteristics prediction models for air induction nozzles based on wind tunnel tests
Liao, Juan, Hewitt, Andrew John, Wang, Pei, Luo, Xiwen, Zang, Ying, Zhou, Zhiyan, Lan, Yubin and O'Donnell, Chris (2019). Development of droplet characteristics prediction models for air induction nozzles based on wind tunnel tests. International Journal of Agricultural and Biological Engineering, 12 (6), 1-6. doi: 10.25165/j.ijabe.20191206.5014
2019
Journal Article
A new spray deposition pattern measurement system based on spectral analysis of a fluorescent tracer
Wen, Yao, Zhang, Ruirui, Chen, Liping, Huang, Yanbo, Yi, Tongchuan, Xu, Gang, Li, Longlong and Hewitt, Andrew John (2019). A new spray deposition pattern measurement system based on spectral analysis of a fluorescent tracer. Computers and Electronics in Agriculture, 160, 14-22. doi: 10.1016/j.compag.2019.03.008
2019
Journal Article
Optimization of variables for maximizing efficacy and efficiency in aerial spray application to cotton using unmanned aerial systems
Liao, Juan, Zang, Ying, Luo, Xiwen, Zhou, Zhiyan, Lan, Yubin, Zang, Yu, Gu, Xiuyan, Xu, Weiming and Hewitt, Andrew John (2019). Optimization of variables for maximizing efficacy and efficiency in aerial spray application to cotton using unmanned aerial systems. International Journal of Agricultural and Biological Engineering, 12 (2), 10-17. doi: 10.25165/j.ijabe.20191202.4288
Funding
Current funding
Past funding
Supervision
Availability
- Dr Andrew Hewitt is:
- Available for supervision
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Supervision history
Completed supervision
-
2016
Doctor Philosophy
Towards the optimisation of Coarse sprays to reduce drift and improve efficacy in Australian cropping systems
Principal Advisor
Other advisors: Dr Chris O'Donnell, Professor Steve Adkins, Professor Bhagirath Chauhan
-
2016
Doctor Philosophy
Effect of spray liquid physical properties and dynamics of fluids on atomization and spray drift
Associate Advisor
Other advisors: Professor Justin Cooper-White
-
2014
Master Philosophy
Formulation and Evaluation of an Agricultural Spray oil with Film Forming waxes
Associate Advisor
Other advisors: Professor Victor Galea
-
2009
Doctor Philosophy
Environmental Fate of Synthetic Pyrethroids: A Study on the Loss Pathways and Processes of Termiticides in Tropical Climates
Associate Advisor
Media
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